extern SIP_UAC_CB_S  *g_pstSipUacCB;
extern COMM_QUEUE_S   g_stSipUacCBQueue;
extern SIP_UAS_CB_S  *g_pstSipUasCB;
extern COMM_QUEUE_S   g_stSipUasCBQueue;
extern UCHAR         *g_pucSipUaContact;

